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Tools I Use - tmux
Why I switched from GNU screen to tmux: horizontal and vertical splits, sane defaults, and auto-arranged panes. Plus my short .tmux.conf and resources.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 14,544 posts.
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How you can track your personal finances using Python
In this post, I'd like to describe how you can track your personal finances using a workflow that is highly focused on data privacy, is 100% self-hosted, and uses only the Python ecosystem.
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Why I find IEEE 754 frustrating
Programming languages new (Java) and old (Fortran), and their compilers, still lack competent support for features of IEEE 754 so painstakingly provided by practically all hardware nowadays. […] Programmers seem unaware that IEEE 754 is a standard for their programming environment, not just for hardware. William Kahan
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Learn to code like it's 1996
I’ve been meaning to write up my take on the learn to code movement for quite some time now, but for one reason or another haven’t managed to get around to it. Now that the president is endorsing Computer Science and telling Americans to learn to code, this post has jumped to the top of my priority list.
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Upsert in SQL
Inserting and updating data with a single query.
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Optimizing a Math Expression Parser in Rust
Optimizing a math expression parser for speed and memory.
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How I learned to stop worrying and love macros
“A Modest Proposal For Preventing The Children of Rust Developers From Being Exposed To Procedural Macros”
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The Jujutsu version control system
The missing introduction.
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NSCopyObject, the griefer that keeps on griefing
NSCopyObject is a very old Foundation function – pre-dating Mac OS X entirely; from the NeXT era – that was originally basically just memcpy , but now it’s complicated. A lot more complicated.
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Shell scripting with Elixir
Using Elixir instead of Python or Ruby for shell scripting.
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My favourite Zsh features
Software development blog of Joe Wright
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Writing a recursive ascent parser by hand
I’ve been exploring various ways to write parsers. For a long time, I’ve used hand-written recursive descent for its straightforwardness, flexibility, and performance. There is another way—parser generators like Menhir , LALRPOP , or the venerable Bison use the bottom-up LR algorithm .
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Coding backwards
For a while I’ve wanted to write some personal finance software. Call me crazy, but I can’t find anything currently in existence that allows me to project my earnings and expenses 1 , then summarizes the net effect over a period of time. Basically, I want to be able to propose a budget to myself and simulate how it…
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Tiny ELF Files: Revisited in 2021
Quick edit: While I work on a proper update, I'll note here that several posters on reddit and hackernews have pointed out ways to bring the total size of the program down to 105 bytes while still printing the full "Hello, world!" Much credit goes to Josh Triplett , who produced the 105-byte version which you can find…
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New tool from curl creator – trurl – for URL parsing and manipulation
trurl is a tool in a similar spirit of tr but for URLs. Here, tr stands for translate or transpose. trurl is a small command line tool that parses and manipulates URLs, designed to help shell script authors everywhere. URLs are tricky to parse and there are numerous security problems in software because of this. ……
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Why Philosophers Should Care About Computational Complexity
Update (August 11, 2011): Thanks to everyone who offered useful feedback! I uploaded a slightly-revised version, adding a “note of humility” to the introduction, correcting the footnot…
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/.bashrc VS –/.profile VS –/.bash_profile
Customize Shell Environment and Appearance
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There is no such thing as a global method in Ruby
What Ruby’s top-level methods actually are, who they belong to and how they are namespaced
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The probability of a hash collision (2022)
Exploring the math behind hash collisions.
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Insufficiently known Posix shell features
It's that time of year again apparently. Rather than fill in the template for you this time, I'll just give you the general outline of what...
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How to JIT – An Introduction
When I wrote the introductory article for libjit , I aimed it at programmers who know what JITs are, at least to some extent. I did mention what a JIT is, but only very briefly. The purpose of this article is to provide a better introductory overview of JITing, with code samples that don't rely on any libraries.
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Celebrating Tony Hoare's mark on computer science
Tony Hoare at the LASER summer school, September 2007 (All photographs in this article are by the author) Had they included just one of Tony Hoare’s major achievements, many scientific careers would be considered prestigious enough. His had a long list, which I am going to try to summarize, not pretending to get…
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Write Fuzzable Code
“An obvious way to deal with embedded interpreters — which someone must have thought of and tried, but I don’t have any pointers — would be to have an API for teaching the fuzzer how to see coverage of the language being interpreted.”
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Eric's Guide to Hiring Software Developers
First of a two-part series on the best strategies for hiring humans in the 21st century. Fueled by both personal experience and the experience of countless mentors (and recruiters), this gigantic post is bursting at the seams with knowledge. Though specifically written by a CTO-type, the strategies are useful for…